precision cnc pipe lathe hollow spindle lathe is widely used CNC machine tool for pipe threading work which is mainly designed not only for threading of pipe work in petroleum industry but also for the turning of pipe threads of various kinds like cylindrical and conical threads and end-face threads as well. HAISHU brand CNC pipe threading machine are also capable of performing the tightest threading functions on big pipes with independent spindle, servo drives, excellent precision and variable speed. CNC pipe threading machine is equipped with comb type tool rest that holds compound tools which make it flexible to performance external and internal turning, facing, threading, outside and inside chamfering operations on pipe or hoop which features good flexibility, high efficiency, finishing up with good conformity, easy to program and simple to operate.